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      04-19-2019, 04:57 PM   #3
markslc1
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Drives: 2011 1M, 14 X5 x35i
Join Date: Oct 2012
Location: Mill Creek, WA

iTrader: (1)

I’ve had the manifold and tune for two years. The surge has been there as long as I can remember. Definitely more pronounced at the track. I think there is a later (final) AA tune update I could try to see if things change.
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